2. n. [Well Completions]. A downhole tool that is used to impart a heavy blow or impact load to a downhole tool assembly. Commonly used in fishing operations to free stuck objects, jars are available in a range of sizes and capacities to deliver upward or downward impact loads.
According to the American Psychological Association's Div. 30 (Society of Psychological Hypnosis), hypnosis is a procedure during which a health professional or researcher suggests while treating someone, that he or she experience changes in sensations, perceptions, thoughts or behavior.ractical uses for hypnosis. Hypnosis has been used in the treatment of pain; depression; anxiety and phobias; stress; habit disorders; gastro-intestinal disorders; skin conditions; post-surgical recovery; relief from nausea and vomiting; childbirth; treatment of hemophilia and many other conditions.
Definition of hypnosis for English Language Learners. : a state that resembles sleep but in which you can hear and respond to questions or suggestions.